export declare const addParamMeta: (key: string | symbol, mapFn: (prev: unknown) => unknown) => ParameterDecorator;
export declare const getParamMeta: (key: string | symbol, target: object) => unknown[];
export declare const addParamLabel: (key: string, label: string) => ParameterDecorator;
export declare const getParamLabels: (target: object, parameterIndex: number) => Map<string, string>;
export declare const addParamTag: (tag: string) => ParameterDecorator;
export declare const getParamTags: (target: object, parameterIndex: number) => Set<string>;